General
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Target
Client-built.exe
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Size
3.1MB
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MD5
96dbf079644fad007ddee4a898bdb096
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SHA1
3eec62ed768ce4a1181f00a0dd6cca3564e1f9f1
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SHA256
3b3900adf2232fb5a995c9f6884feededfbe4a862a076ac3af936e4b5a858887
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SHA512
356a13c7ab5bb02ee79a2ff9525f0f8ca832302fba37cf140af8264d31933a00745b59d7f742a42ef0576964f6e112580430996ac068f63c4112907c69471385
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SSDEEP
49152:KvDI22SsaNYfdPBldt698dBcjHEpSu1J/goGdXTHHB72eh2NT:Kv822SsaNYfdPBldt6+dBcjHEpSJ
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.0.102:4782
a84f48f3-00c9-414a-a093-49d616e432d3
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encryption_key
D440572F816847D4B5AD6EAA65627B5DFFF00151
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource Client-built.exe
Files
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Client-built.exe.exe windows:4 windows x86 arch:x86
Password: infected
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ